facultative vs enabling

facultative and enabling both are adjectives.

Word	Noun	Adjective	Verb	Adverb
facultative	No	Yes	No	No
enabling	No	Yes	No	No

facultative (adjective)	enabling (adjective)
able to exist under more than one set of conditions	providing legal power or sanction
of or relating to the mental faculties
granting a privilege or permission or power to do or not do something
optional